initial git commit saving configs

observability/prometheus/pv-prometheus.yaml

@@ -0,0 +1,22 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: pv-prometheus-data
+spec:
+  capacity:
+    storage: 10Gi
+  volumeMode: Filesystem
+  accessModes:
+  - ReadWriteOnce
+  persistentVolumeReclaimPolicy: Retain
+  storageClassName: prometheus-data
+  local:
+    path: /storage/prometheus
+  nodeAffinity:
+    required:
+      nodeSelectorTerms:
+      - matchExpressions:
+        - key: kubernetes.io/hostname
+          operator: In
+          values:
+          - master

observability/prometheus/storageclass-prometheus-data.yaml

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+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: prometheus-data
+provisioner: kubernetes.io/no-provisioner
+volumeBindingMode: WaitForFirstConsumer
+reclaimPolicy: Retain

observability/prometheus/values.yaml

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+grafana:
+  enabled: false     # you already run Grafana
+
+alertmanager:
+  enabled: false     # keep it light (enable later if you want)
+
+prometheus:
+  prometheusSpec:
+    replicas: 1
+    retention: 7d
+    resources:
+      requests:
+        cpu: 100m
+        memory: 512Mi
+      limits:
+        cpu: 500m
+        memory: 1Gi
+
+    storageSpec:
+      volumeClaimTemplate:
+        spec:
+          storageClassName: prometheus-data
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: 10Gi